dapper can't build itself: gnome-panel build depend fails

Binary package hint: gnome-panel

on an up-to-date dapper
using an up-to-date pbuilder
the gnome-panel package fails to build because the build depends can't be satified.
Log attached:

.........................................................

$ apt-get source gnome-panel --download-only
Reading package lists...
Building dependency tree...
Need to get 4381kB of source archives.
Get:1 http://megaera dapper-updates/main gnome-panel 2.14.3-0ubuntu1 (dsc) [2439B]
Get:2 http://megaera dapper-updates/main gnome-panel 2.14.3-0ubuntu1 (tar) [4130kB]
Get:3 http://megaera dapper-updates/main gnome-panel 2.14.3-0ubuntu1 (diff) [249kB]
Fetched 4381kB in 1m19s (54.8kB/s)
Download complete and in download only mode

ls -l /tmp/pbuilder-wrapper-1175179610-410
total 4292
-rw-r--r-- 1 buildd buildd 248700 2006-08-01 06:09 gnome-panel_2.14.3-0ubuntu1.diff.gz
-rw-r--r-- 1 buildd buildd 2439 2006-08-01 06:09 gnome-panel_2.14.3-0ubuntu1.dsc
-rw-r--r-- 1 buildd buildd 4129529 2006-08-01 06:09 gnome-panel_2.14.3.orig.tar.gz

$ sudo /usr/sbin/pbuilder build /tmp/pbuilder-wrapper-1175179610-410/gnome-panel_2.14.3-0ubuntu1.dsc
W: /home/buildd/.pbuilderrc does not exist
I: using fakeroot in build.
pbuilder-buildpackage/i386 $Id: pbuilder-buildpackage-funcs,v 1.28 2005/12/21 11:57:29 dancer Exp $
$Id: pbuilder-buildpackage,v 1.120 2006/01/06 12:30:51 dancer Exp $

Current time: Fri Mar 30 00:48:10 EST 2007
pbuilder-time-stamp: 1175179690
Building the build Environment
 -> extracting base tarball [/home/buildd/the-pbuilder-way/base.tgz]
 -> creating local configuration
 -> copying local configuration
 -> mounting /proc filesystem
ln: creating symbolic link `/home/buildd/the-pbuilder-way/build//1386/etc/mtab' to `../proc/mounts': File exists
 -> mounting /dev/pts filesystem
 -> policy-rc.d already exists
 -> created buildresult dir :/home/buildd/the-pbuilder-way/result/
Installing the build-deps
 -> Attempting to parse the build-deps : pbuilder-satisfydepends,v 1.22 2005/12/04 05:16:40 dancer Exp $
 -> Considering cdbs (>= 0.4.23-1.1)
   -> Trying cdbs
 -> Considering build-essential
   -> Trying build-essential
 -> Considering autotools-dev
   -> Trying autotools-dev
 -> Considering debhelper (>= 4.1.0)
   -> Trying debhelper
 -> Considering patchutils (>= 0.2.25)
   -> Trying patchutils
 -> Considering debhelper (>= 5.0.7ubuntu4)
   -> Trying debhelper
 -> Considering liborbit2-dev (>= 1:2.12.1-1)
   -> Trying liborbit2-dev
 -> Considering intltool
   -> Trying intltool
 -> Considering gnome-pkg-tools
   -> Trying gnome-pkg-tools
 -> Considering libgtk2.0-dev (>= 2.7.1)
   -> Trying libgtk2.0-dev
 -> Considering libglade2-dev (>= 1:2.5.1)
   -> Trying libglade2-dev
 -> Considering libwnck-dev (>= 2.13.5)
   -> Trying libwnck-dev
 -> Considering scrollkeeper (>= 0.3.14-9.1)
   -> Trying scrollkeeper
 -> Considering libgnome2-dev (>= 2.13.0)
   -> Trying libgnome2-dev
 -> Considering libgnome-desktop-dev (>= 2.11.1)
   -> Trying libgnome-desktop-dev
 -> Considering libpng12-dev
   -> Trying libpng12-dev
 -> Considering libbonobo2-dev (>= 2.8.1-2)
   -> Trying libbonobo2-dev
 -> Considering libxmu-dev
   -> Trying libxmu-dev
 -> Considering libedata-cal1.2-dev (>= 1.2.1-1) [!hurd-i386]
   -> Trying libedata-cal1.2-dev
 -> Considering libgnome-menu-dev (>= 2.11.1-1)
   -> Trying libgnome-menu-dev
 -> Considering libgnomevfs2-dev (>= 2.14.2)
      Tried versions: 2.14.1-0ubuntu8
   -> Does not satisfy version, not trying
E: Could not satisfy build-dependency.
E: pbuilder-satisfydepends failed.
 -> unmounting dev/pts filesystem
 -> unmounting proc filesystem
 -> cleaning the build env
    -> removing directory /home/buildd/the-pbuilder-way/build//1386 and its subdirectories

exit status 2